CompTIA A+ Core 1 (220-1201) — Question 19

A support technician receives a call stating that a user has added a device to the network. The user used the same configurations from another workstation. When both workstations are turned on, neither can access the network reliably. Which of the following is the most likely cause of the issue?

Answer options

• A. The new computer has a duplicate IP address.
• B. The DNS server is registering both hostnames.
• C. The network cable was improperly terminated
• D. The security on the switchport needs to be reset.

Correct answer: A

Explanation

The correct answer is A, as having two devices on the same network with identical IP addresses leads to IP conflicts, causing unreliable network access. Options B, C, and D do not directly relate to the scenario described, where both devices are experiencing connectivity issues due to the duplicate IP address.